| 1/1 | January 20032003年1月 | Unknown | | Q1077366 |
| 1/1 | Deaths in January 2003訃報 2003年1月 | Unknown | | Q10844412 |
| 1/1 | figure skating at the 2003 European Youth Olympic Festival | Slovenia | Place: Bled | Q5448050 |
| 1/1 | first inauguration of Luiz Inácio Lula da Silva | Brazil | | Q25428627 |
| 1/1 | Vienna New Year's Concert 2003ウィーンフィル・ニューイヤーコンサート2003 | Unknown | | Q28105664 |
| 1/1 | figure skating at the 2003 Winter Universiade | Italy | Place: Tarvisio | Q5448052 |
| 1/1 | curling at the 2003 Winter Universiade | Italy | Place: Tarvisio | Q16834302 |
| 1/1 | figure skating at the 2003 Winter Universiade - men's singles | Italy | Place: Tarvisio | Q30929642 |
| 1/1 | figure skating at the 2003 Winter Universiade – ladies' singles | Italy | Place: Tarvisio | Q30929650 |
| 1/1 | figure skating at the 2003 Winter Universiade - pair skating | Italy | Place: Tarvisio | Q30929654 |
| 1/1 | figure skating at the 2003 Winter Universiade – ice dance | Italy | Place: Tarvisio | Q30929660 |
| 1/1 | 2003 Norwegian Figure Skating Championships | Norway | Place: Tønsberg | Q4601680 |
| 1/1 | January 1, 20032003年1月1日 | Unknown | | Q69304773 |
| 1/2 | January 2, 20032003年1月2日 | Unknown | | Q69304774 |
| 1/3 | January 3, 20032003年1月3日 | Unknown | | Q69304776 |
| 1/4 | January 4, 20032003年1月4日 | Unknown | | Q69304777 |
| 1/5 | Tel Aviv central bus station massacre | Israel | Place: Tel Aviv | Q81321 |
| 1/5 | 2002–03 Lithuanian presidential election2002年リトアニア大統領選挙 | Lithuania | | Q892062 |
| 1/5 | January 5, 20032003年1月5日 | Unknown | | Q69304778 |
| 1/6 | 2003 Copa América de Ciclismo | Brazil | | Q4601247 |
| 1/7 | January 7, 20032003年1月7日 | Unknown | | Q69304781 |
| 1/8 | Turkish Airlines flight 634トルコ航空634便着陸失敗事故 | Turkey | | Q1037884 |
| 1/8 | Air Midwest Flight 5481エア・ミッドウエスト5481便墜落事故 | United States | Place: Charlotte Douglas International Airport | Q553492 |
| 1/8 | January 8, 20032003年1月8日 | Unknown | | Q69304782 |
| 1/9 | TANS Perú Flight 222TANS ペルー222便墜落事故 | Peru | Place: Chachapoyas | Q7669317 |
| 1/9 | Estelle Mouzin case | France | Place: Guermantes | Q431859 |
| 1/9 | January 9, 20032003年1月9日 | Unknown | | Q69304783 |
| 1/10 | 2003 Djiboutian parliamentary election | Djibouti | | Q5285321 |
| 1/10 | January 10, 20032003年1月10日 | Unknown | | Q69304784 |
| 1/11 | 20th AVN Awards | United States | Place: The Venetian | Q23305645 |
| 1/11 | January 11, 20032003年1月11日 | Unknown | | Q69304787 |
| 1/12 | 29th People's Choice Awards | United States | Place: Shrine Auditorium and Expo Hall | Q4632974 |
| 1/12 | death of Brandon Vedas | United States | | Q51720244 |
| 1/12 | January 12, 20032003年1月12日 | Unknown | | Q69304788 |
| 1/13 | January 13, 20032003年1月13日 | Unknown | | Q69304789 |
| 1/14 | January 14, 20032003年1月14日 | Unknown | | Q69304791 |
| 1/15 | January 15, 20032003年1月15日 | Unknown | | Q69304792 |
| 1/16 | January 16, 20032003年1月16日 | Unknown | | Q69304793 |
| 1/17 | 8th Critics' Choice Awards第8回放送映画批評家協会賞 | United States | Place: Los Angeles | Q2818615 |
| 1/17 | January 17, 20032003年1月17日 | Unknown | | Q69304794 |
| 1/18 | 2003 Canberra bushfires | Australia | | Q1017322 |
| 1/18 | murder of Linda Andersen | Canada | Place: Brampton | Q12859133 |
| 1/18 | January 18, 20032003年1月18日 | Unknown | | Q69304796 |
| 1/19 | 60th Golden Globe Awards第60回ゴールデングローブ賞 | Unknown | Place: The Beverly Hilton | Q1027063 |
| 1/19 | 2003 Cuban parliamentary election | Cuba | | Q2790156 |
| 1/19 | January 19, 20032003年1月19日 | Unknown | | Q69304797 |
| 1/19 | Slovenian privatisation referendum, 2003 | Slovenia | | Q7541870 |
| 1/20 | 2003 Swedish Sports Awards | Sweden | Place: Avicii Arena | Q10685384 |
| 1/20 | January 20, 20032003年1月20日 | Unknown | | Q69304799 |
| 1/21 | 2003 Colima earthquake | Mexico | | Q3497601 |
| 1/21 | January 21, 20032003年1月21日 | Unknown | | Q69304800 |
| 1/22 | 2003 Dutch general election2003年オランダ総選挙 | Netherlands | | Q2165748 |
| 1/22 | January 22, 20032003年1月22日 | Unknown | | Q69304802 |
| 1/23 | January 23, 20032003年1月23日 | Unknown | | Q69304804 |
| 1/24 | 2003 Czech presidential election2003年チェコ大統領選挙 | Czech Republic | | Q16153250 |
| 1/24 | January 24, 20032003年1月24日 | Unknown | | Q69304805 |
| 1/25 | January 25, 20032003年1月25日 | Unknown | | Q42968000 |
| 1/26 | January 26, 20032003年1月26日 | Unknown | | Q69304807 |
| 1/27 | January 27, 20032003年1月27日 | Unknown | | Q69304808 |
| 1/28 | 2003 Israeli legislative election | Israel | | Q782051 |
| 1/28 | Treaty between Ukraine and the Russian Federation on the Ukrainian-Russian State border | Unknown | Place: Kyiv | Q111444006 |
| 1/28 | 2003 State of the Union Address | United States | | Q4601866 |
| 1/28 | Additional Protocol to the Convention on Cybercrime | Unknown | | Q4681323 |
| 1/28 | January 28, 20032003年1月28日 | Unknown | | Q69304810 |
| 1/29 | January 29, 20032003年1月29日 | Unknown | | Q69304812 |
| 1/30 | January 30, 20032003年1月30日 | Unknown | | Q69304813 |
| 1/31 | January 31, 20032003年1月31日 | Unknown | | Q69304814 |
| 1/31 | Waterfall rail accidentウォーターフォール鉄道事故 | Australia | Place: Waterfall | Q7973969 |
| 2/1 | Space Shuttle Columbia disasterコロンビア号空中分解事故 | United States | Place: Texas | Q580867 |
| 2/1 | February 20032003年2月 | Unknown | | Q1048662 |
| 2/1 | 17th Goya Awards第17回ゴヤ賞 | Spain | Place: Palacio de Congresos | Q1411424 |
| 2/1 | Deaths in February 2003訃報 2003年2月 | Unknown | | Q10844413 |
| 2/1 | 2003 Sweden Hockey Games | Sweden | | Q10505016 |
| 2/1 | 2003 Copa del Rey de Baloncesto | Spain | Place: Valencia | Q16833771 |
| 2/1 | 2003 24 Hours of Daytona2003年のデイトナ24時間 | United States | Place: Daytona International Speedway | Q39087602 |
| 2/1 | 2003 King's Cup | Thailand | | Q20805879 |
| 2/1 | figure skating at the 2003 Asian Winter Games – ice dancingJapan | Japan | Place: Aomori | Q23305998 |
| 2/1 | figure skating at the 2003 Asian Winter Games – men's singlesJapan | Japan | Place: Aomori | Q23306035 |
| 2/1 | figure skating at the 2003 Asian Winter Games – pairsJapan | Japan | Place: Aomori | Q23306084 |
| 2/1 | figure skating at the 2003 Asian Winter Games – women's singlesJapan | Japan | Place: Aomori | Q23306173 |
| 2/1 | 2003 Semaine des As | France | Place: Pau | Q3478320 |
| 2/1 | Dete train crash | Zimbabwe | | Q5265599 |
| 2/1 | figure skating at the 2003 Asian Winter GamesJapan | Japan | Place: Aomori | Q5448051 |
| 2/1 | 30th Annie Awards第30回アニー賞 | United States | | Q19259916 |
| 2/1 | 2003 Casablanca Satanist rockers case | Morocco | | Q2825989 |
| 2/1 | 2003 Connaught Creek Valley avalanche | Canada | | Q4601240 |
| 2/1 | speed skating at the 2003 Asian Winter Games – men's 10000 metresJapan | Japan | | Q55641844 |
| 2/1 | speed skating at the 2003 Asian Winter Games – men's 1000 metresJapan | Japan | | Q55641845 |
| 2/1 | speed skating at the 2003 Asian Winter Games – men's 1500 metresJapan | Japan | | Q55641846 |
| 2/1 | speed skating at the 2003 Asian Winter Games – men's 5000 metresJapan | Japan | | Q55641847 |
| 2/1 | speed skating at the 2003 Asian Winter Games – men's 500 metresJapan | Japan | | Q55641848 |
| 2/1 | speed skating at the 2003 Asian Winter Games – women's 1000 metresJapan | Japan | | Q55641849 |
| 2/1 | speed skating at the 2003 Asian Winter Games – women's 1500 metresJapan | Japan | | Q55641850 |
| 2/1 | speed skating at the 2003 Asian Winter Games – women's 3000 metresJapan | Japan | | Q55641851 |
| 2/1 | speed skating at the 2003 Asian Winter Games – women's 500 metresJapan | Japan | | Q55641852 |
| 2/1 | Osaka Hurricane | Unknown | | Q60756467 |
| 2/1 | February 1, 20032003年2月1日 | Unknown | | Q69304816 |
| 2/2 | 2003 Hessian state election | Germany | | Q1804088 |
| 2/2 | Kyrgyzstani referendum, 2003 | Kyrgyzstan | | Q6452440 |
| 2/2 | 2003 Lower Saxony state election | Germany | | Q825582 |
| 2/2 | February 2, 20032003年2月2日 | Unknown | | Q69304817 |
| 2/3 | February 3, 20032003年2月3日 | Unknown | | Q69304819 |
| 2/4 | 2003 Grand Prix d’Ouverture La Marseillaise | France | | Q3775232 |
| 2/4 | February 4, 20032003年2月4日 | Unknown | | Q69304821 |
| 2/5 | Colin Powell speech to the United Nations Security Council | United States | | Q117732205 |
| 2/5 | February 5, 20032003年2月5日 | Unknown | | Q69304822 |
| 2/6 | February 6, 20032003年2月6日 | Unknown | | Q69304824 |
| 2/7 | 2003 El Nogal Club bombingエル・ノガル・クラブ爆破テロ事件 | Colombia | Place: Bogotá | Q2531086 |
| 2/7 | February 7, 20032003年2月7日 | Unknown | | Q69304826 |
| 2/8 | February 8, 20032003年2月8日 | Unknown | | Q69304828 |
| 2/9 | 2003 Monegasque general election | Monaco | | Q6898891 |
| 2/9 | February 2003 Montenegrin presidential election | Montenegro | | Q6905193 |
| 2/9 | February 9, 20032003年2月9日 | Unknown | | Q69304829 |
| 2/10 | February 10, 20032003年2月10日 | Unknown | | Q69304831 |
| 2/11 | February 11, 20032003年2月11日 | Unknown | | Q69304832 |
| 2/12 | February 12, 20032003年2月12日 | Unknown | | Q69304834 |
| 2/13 | February 13, 20032003年2月13日 | Unknown | | Q69304835 |
| 2/14 | 8th Lumière Awards第8回リュミエール賞 | France | Place: Forum des images | Q2818616 |
| 2/14 | Dominique de Villepin's speech at the United Nations Security Council | France | Place: Headquarters of the United Nations | Q17190181 |
| 2/14 | house-bomb attack in Neiva | Colombia | Place: Neiva | Q5710617 |
| 2/14 | February 14, 20032003年2月14日 | Unknown | | Q69304836 |
| 2/15 | Antwerp Diamond Heist | Belgium | Place: Antwerp World Diamond Centre | Q1208565 |
| 2/15 | 15 February 2003 anti-war protest2003年2月15日の反戦運動 | Unknown | | Q2580246 |
| 2/15 | murder of Craig Sorger | United States | | Q6937833 |
| 2/15 | February 15, 20032003年2月15日 | Unknown | | Q69304837 |
| 2/16 | 2003 Cypriot presidential election | Cyprus | | Q3557575 |
| 2/16 | February 16, 20032003年2月16日 | Unknown | | Q69304839 |
| 2/17 | 2003 E2 nightclub stampede | United States | | Q4601294 |
| 2/17 | February 17, 20032003年2月17日 | Unknown | | Q69304840 |
| 2/18 | Daegu subway fire大邱地下鉄放火事件 | South Korea | Place: Jungangno Station | Q490811 |
| 2/18 | 2003 Huludao murders | People's Republic of China | Place: Huludao | Q16015835 |
| 2/18 | February 18, 20032003年2月18日 | Unknown | | Q69304841 |
| 2/19 | 2003 Iran Ilyushin Il-76 crash2003年のイラン革命防衛隊Il-76MD墜落事故 | Unknown | | Q2822710 |
| 2/19 | 2003 Armenian presidential election2003年アルメニア大統領選挙 | Armenia | | Q4793291 |
| 2/19 | Visual Effects Society Awards 2002第1回視覚効果協会賞 | United States | | Q8390 |
| 2/19 | February 19, 20032003年2月19日 | Unknown | | Q69304843 |
| 2/19 | Muthanga Incident | Unknown | Place: Wayanad Wildlife Sanctuary | Q6943820 |
| 2/20 | The Station nightclub fireザ・ステーションナイトクラブ火災 | United States | Place: Rhode Island | Q288229 |
| 2/20 | Brit Awards 2003 | United Kingdom | Place: Earls Court Exhibition Centre | Q3632238 |
| 2/20 | closing of Euskaldunon Egunkaria | Spain | Place: Andoain | Q12257610 |
| 2/20 | February 20, 20032003年2月20日 | Unknown | | Q69304845 |
| 2/21 | 48th Filmfare Awards第48回フィルムフェア賞 | India | | Q4638680 |
| 2/21 | February 21, 20032003年2月21日 | Unknown | | Q69304846 |
| 2/22 | 28th César Awards第28回セザール賞 | France | Place: Théâtre du Châtelet | Q587393 |
| 2/22 | 2003 Tour du Haut Varツール・デュ・オー・ヴァル2003 | France | | Q2656403 |
| 2/22 | Spellemannprisen 2002 | Norway | | Q12002242 |
| 2/22 | February 22, 20032003年2月22日 | Unknown | | Q69304847 |
| 2/23 | 45th Annual Grammy Awards第45回グラミー賞 | United States | Place: Madison Square Garden | Q1542326 |
| 2/23 | 56th British Academy Film Awards第56回英国アカデミー賞 | United Kingdom | Place: Odeon Leicester Square | Q2632454 |
| 2/23 | 2003 Grand Prix of St. Petersburg | United States | Place: St. Petersburg street circuit | Q4601418 |
| 2/23 | February 23, 20032003年2月23日 | Unknown | | Q69304848 |
| 2/24 | Bogoro massacreボゴロ虐殺 | Democratic Republic of the Congo | Place: Ituri Province | Q4937731 |
| 2/24 | 2003 Bachu earthquake | People's Republic of China | | Q4601140 |
| 2/24 | February 24, 20032003年2月24日 | Unknown | | Q69304852 |
| 2/25 | 2003 Chicago mayoral election | United States | | Q16153241 |
| 2/25 | February 25, 20032003年2月25日 | Unknown | | Q69304853 |
| 2/26 | 2003 Tripura Legislative Assembly election | India | | Q107144840 |
| 2/26 | Murder of Francis Imbard | France | Place: Paris | Q30728068 |
| 2/26 | 2003 Nagaland Legislative Assembly election | India | | Q108597893 |
| 2/26 | 2001–06 Tamil Nadu Legislative Assembly by-elections | India | | Q124613836 |
| 2/26 | February 26, 20032003年2月26日 | Unknown | | Q69304854 |
| 2/27 | February 27, 20032003年2月27日 | Unknown | | Q69304855 |
| 2/28 | Thirtieth government of Israel第30次 | Unknown | | Q2541255 |
| 2/28 | 2003 Czech presidential election2003年チェコ大統領選挙 | Czech Republic | | Q16153250 |
| 2/28 | 2003 Iranian local elections | Iran | | Q6067246 |
| 2/28 | February 28, 20032003年2月28日 | Unknown | | Q69304858 |
| 3/1 | March 20032003年3月 | Unknown | | Q1150095 |
| 3/1 | Operation Viking Hammer | Unknown | Place: Halabja | Q1678616 |
| 3/1 | Deaths in March 2003訃報 2003年3月 | Unknown | | Q10844414 |
| 3/1 | 2003 Central African Republic coup d'état2003年中央アフリカ共和国クーデター | Central African Republic | Place: Bangui | Q17512048 |
| 3/1 | 55th Directors Guild of America Awards第55回全米監督協会賞 | United States | Place: Fairmont Century Plaza | Q5280693 |
| 3/1 | 2003 Omloop Het Volk | Belgium | | Q2233952 |
| 3/1 | National Transmission Corporation国営送電公社 (フィリピン) | Philippines | | Q6979003 |
| 3/1 | Melodi Grand Prix 2003 | Norway | Place: Oslo Spektrum | Q107602315 |
| 3/1 | 2002 Yasar Dogu Tournament | Unknown | Place: Ankara | Q110792534 |
| 3/1 | murder of Hannah Foster | United Kingdom | Place: Southampton | Q16015825 |
| 3/1 | Ohio Bicentennial | United States | | Q16934391 |
| 3/1 | Miss Nicaragua 2003 | Nicaragua | Place: Rubén Darío National Theatre | Q25381694 |
| 3/1 | March 1, 20032003年3月1日 | Unknown | | Q69304859 |
| 3/1 | Miss Universe Canada 2003ミス・ユニバース・カナダ2003 | Canada | | Q85785892 |
| 3/1 | 2003 NCAA Division I Wrestling Championships | United States | | Q86684329 |
| 3/2 | 2003 Estonian parliamentary election | Estonia | | Q1410969 |
| 3/2 | 56th Bodil Awards | Denmark | | Q4640728 |
| 3/2 | 2003 Kuurne–Brussels–Kuurne | Belgium | | Q2349717 |
| 3/2 | 2003 Clásica de Almería | Spain | | Q3681749 |
| 3/2 | 2003 Belarusian municipal elections | Belarus | | Q60831432 |
| 3/2 | March 2, 20032003年3月2日 | Unknown | | Q69304860 |
| 3/3 | Dobley airstrikeドブレー空爆 | Somalia | Place: Dhobley | Q5286642 |
| 3/3 | 2002 Czech Lion Awards | Czech Republic | Place: Prague | Q11293490 |
| 3/3 | March 3, 20032003年3月3日 | Unknown | | Q69304861 |
| 3/4 | Davao Airport bombing | Philippines | Place: Francisco Bangoy International Airport | Q61098945 |
| 3/4 | March 4, 20032003年3月4日 | Unknown | | Q69304863 |
| 3/5 | 2003 Armenian presidential election2003年アルメニア大統領選挙 | Armenia | | Q4793291 |
| 3/5 | 2003 Syrian parliamentary election | Syria | | Q2053226 |
| 3/5 | Haifa bus 37 suicide bombing | Israel | Place: Haifa | Q2907294 |
| 3/5 | 2003 Belizean general election | Belize | | Q4883014 |
| 3/5 | March 5, 20032003年3月5日 | Unknown | | Q69304865 |
| 3/6 | Air Algérie Flight 6289アルジェリア航空6289便墜落事故 | Algeria | Place: Aguenar–Hadj Bey Akhamok Airport | Q3046072 |
| 3/6 | March 6, 20032003年3月6日 | Unknown | | Q69304866 |
| 3/7 | 26th Japan Academy PrizeJapan第26回日本アカデミー賞 | Japan | | Q11600686 |
| 3/7 | March 7, 20032003年3月7日 | Unknown | | Q69304867 |
| 3/8 | Maltese European Union membership referendum, 2003 | Malta | | Q6744789 |
| 3/8 | 55th Writers Guild of America Awards | United States | | Q8038493 |
| 3/8 | Nehoda u Nažidel | Czech Republic | | Q12040561 |
| 3/8 | Wladimir Klitschko vs. Corrie Sanders | Germany | Place: ZAG-Arena | Q63038891 |
| 3/8 | March 8, 20032003年3月8日 | Unknown | | Q69304869 |
| 3/9 | 9th Screen Actors Guild Awards第9回全米映画俳優組合賞 | United States | Place: Shrine Auditorium and Expo Hall | Q1339259 |
| 3/9 | 2003 Siirt Province by-election補欠選挙 | Turkey | | Q7855339 |
| 3/9 | March 9, 20032003年3月9日 | Unknown | | Q69304870 |
| 3/10 | March 10, 20032003年3月10日 | Unknown | | Q69304872 |
| 3/11 | March 11, 20032003年3月11日 | Unknown | | Q69304873 |
| 3/12 | assassination of Zoran Đinđićゾラン・ジンジッチ暗殺事件 | Unknown | Place: Belgrade | Q3444768 |
| 3/12 | March 12, 20032003年3月12日 | Unknown | | Q69304874 |
| 3/13 | March 13, 20032003年3月13日 | Unknown | | Q69304875 |
| 3/14 | Liechtenstein constitutional referendum, 2003 | Liechtenstein | | Q16932702 |
| 3/14 | March 14, 20032003年3月14日 | Unknown | | Q69304876 |
| 3/15 | 2003 Polish Film Awards | Unknown | Place: Warsaw University of Technology | Q4601745 |
| 3/15 | March 15, 20032003年3月15日 | Unknown | | Q69304877 |
| 3/16 | 2003 Finnish parliamentary election | Finland | | Q1659687 |
| 3/16 | Azores Summit | Portugal | | Q5794735 |
| 3/16 | 2003 Salvadoran legislative election | El Salvador | | Q7406523 |
| 3/16 | murder of Davide Cesare | Italy | Place: Milan | Q117187169 |
| 3/16 | 2003 Scottish League Cup Final | Unknown | Place: Hampden Park | Q340173 |
| 3/16 | 2003 Carolina Dodge Dealers 400 | United States | Place: Darlington Raceway | Q4601201 |
| 3/16 | March 16, 20032003年3月16日 | Unknown | | Q69304878 |
| 3/17 | March 17, 20032003年3月17日 | Unknown | | Q69304880 |
| 3/18 | March 18, 20032003年3月18日 | Unknown | | Q69304882 |
| 3/19 | March 19, 20032003年3月19日 | Unknown | | Q69304883 |
| 3/20 | 20 March 2003 anti-war protest | Unknown | | Q4630587 |
| 3/20 | March 20, 20032003年3月20日 | Unknown | | Q69304884 |
| 3/21 | March 21, 20032003年3月21日 | Unknown | | Q69304886 |
| 3/22 | 23rd Golden Raspberry Awards第23回ゴールデンラズベリー賞 | United States | | Q1535239 |
| 3/22 | 18th Independent Spirit Awards第18回インディペンデント・スピリット賞 | United States | Place: United States | Q656649 |
| 3/22 | March 22, 20032003年3月22日 | Unknown | | Q69304887 |
| 3/23 | 75th Academy Awards第75回アカデミー賞 | United States | Place: Dolby Theatre | Q740425 |
| 3/23 | Slovenian European Union and NATO membership referendum | Slovenia | | Q2737053 |
| 3/23 | 2003 Grand Prix de Cholet-Pays de Loire | France | | Q3675371 |
| 3/23 | 2003 Nadimarg Massacre | India | | Q4601640 |
| 3/23 | Umehara ga kimetaJapan電波実況 | Japan | Place: Makuhari Messe | Q129254933 |
| 3/23 | 2003 Tecate Telmex Monterrey Grand Prix | Mexico | Place: Fundidora Park raceway | Q4601889 |
| 3/23 | March 23, 20032003年3月23日 | Unknown | | Q69304889 |
| 3/24 | 2003 attack on Karbala | Iraq | Place: Karbala | Q4276950 |
| 3/24 | March 24, 20032003年3月24日 | Unknown | | Q69304890 |
| 3/25 | March 25, 20032003年3月25日 | Unknown | | Q69304892 |
| 3/26 | 2003 Dwars door Vlaanderen | Belgium | | Q2581198 |
| 3/26 | Operation Northern Delayノーザン・ディレイ作戦 | Unknown | Place: Harir Air Base | Q7097340 |
| 3/26 | March 26, 20032003年3月26日 | Unknown | | Q69304894 |
| 3/27 | March 27, 20032003年3月27日 | Unknown | | Q69304896 |
| 3/28 | 190th Fighter Squadron, Blues and Royals friendly fire incident | Iraq | Place: Iraq | Q4559130 |
| 3/28 | 38th Golden Bell Awards | Taiwan | Place: National Dr. Sun Yat-sen Memorial Hall | Q15898023 |
| 3/28 | March 28, 20032003年3月28日 | Unknown | | Q69304897 |
| 3/29 | 2003 E3 Harelbeke | Belgium | | Q3717114 |
| 3/29 | 24th Young Artist Awards | United States | Place: Sportsmen's Lodge | Q4632045 |
| 3/29 | March 29, 20032003年3月29日 | Unknown | | Q69304899 |
| 3/30 | 2003 Beninese parliamentary election | Benin | | Q4888044 |
| 3/30 | 2003 Lower Austrian state election | Austria | | Q1804130 |
| 3/30 | 2003 Brabantse Pijl | Belgium | | Q37577911 |
| 3/30 | 2003 Czech Social Democratic Party leadership election | Czech Republic | | Q30594049 |
| 3/30 | March 30, 20032003年3月30日 | Unknown | | Q69304901 |
| 3/31 | March 31, 20032003年3月31日 | Unknown | | Q69304902 |
| 4/1 | April 20032003年4月 | Unknown | | Q621940 |
| 4/1 | Deaths in April 2003訃報 2003年4月 | Unknown | | Q10844415 |
| 4/1 | Battle of Al Kut | Iraq | Place: Kut | Q18639484 |
| 4/1 | 2003 Radivoj Korać Cup | Serbia and Montenegro | Place: Niš | Q25460793 |
| 4/1 | April 1, 20032003年4月1日 | Unknown | | Q69304903 |
| 4/2 | Sun City Agreementサンシティ合意 | Unknown | | Q16951713 |
| 4/2 | April 2, 20032003年4月2日 | Unknown | | Q69304904 |
| 4/3 | April 3, 20032003年4月3日 | Unknown | | Q69304907 |
| 4/4 | 2003 Route Adélie | France | | Q3941891 |
| 4/4 | April 4, 20032003年4月4日 | Unknown | | Q69304909 |
| 4/4 | 2003 Wamena incident | Unknown | | Q85728215 |
| 4/5 | 2003 GP Miguel Induráin | Spain | | Q55601690 |
| 4/5 | April 5, 20032003年4月5日 | Unknown | | Q69304912 |
| 4/6 | 22nd Hong Kong Film Awards第22回香港電影金像奨 | Hong Kong | Place: Hong Kong Cultural Centre | Q843649 |
| 4/6 | Juno Awards of 2003 | Canada | Place: Canadian Tire Centre | Q6314170 |
| 4/6 | Transnistrian referendum, 2003 | Transnistria | | Q7834737 |
| 4/6 | April 6, 20032003年4月6日 | Unknown | | Q69304914 |
| 4/7 | April 7, 20032003年4月7日 | Unknown | | Q69304915 |
| 4/8 | April 8, 2003 journalist deaths by U.S. fire | Iraq | Place: Baghdad | Q4781992 |
| 4/8 | April 8, 20032003年4月8日 | Unknown | | Q69304918 |
| 4/9 | 48th David di Donatello Awards第48回ダヴィッド・ディ・ドナテッロ賞 | Italy | Place: Parco della Musica | Q3703437 |
| 4/9 | April 9, 20032003年4月9日 | Unknown | | Q69304919 |
| 4/10 | Battle of Kirkuk | Unknown | | Q132528570 |
| 4/10 | 34th GMA Dove Awards | United States | Place: Bridgestone Arena | Q4635408 |
| 4/10 | April 10, 20032003年4月10日 | Unknown | | Q69304920 |
| 4/11 | Flactif family murders | France | Place: Le Grand-Bornand | Q23680526 |
| 4/11 | April 11, 20032003年4月11日 | Unknown | | Q69304921 |
| 4/12 | Hungarian European Union membership referendum, 2003 | Hungary | | Q1221325 |
| 4/12 | 2003 Kids' Choice Awards2003年キッズ・チョイス・アワード | United States | Place: Santa Monica Airport | Q4601526 |
| 4/12 | 2003 Maltese general election | Malta | | Q2069083 |
| 4/12 | 2003 Nigerian Senate elections in Bauchi State | Nigeria | | Q108428010 |
| 4/12 | April 12, 20032003年4月12日 | Unknown | | Q69304923 |
| 4/12 | 2003 Nigerian parliamentary election | Nigeria | | Q7033046 |
| 4/13 | 2003 Tokyo gubernatorial electionJapan2003年東京都知事選挙 | Japan | | Q7814038 |
| 4/13 | 2003 London Marathonロンドン・マラソン2003 | United Kingdom | Place: London | Q2125927 |
| 4/13 | 2003 Hokkaido gubernatorial electionJapan2003年北海道知事選挙 | Japan | | Q11186509 |
| 4/13 | Tempi road accident disaster | Greece | Place: Vale of Tempe | Q116948096 |
| 4/13 | 2003 Rotterdam Marathon | Unknown | | Q2062694 |
| 4/13 | 2003 Toyota Grand Prix of Long Beach | United States | Place: Long Beach Street Circuit | Q4601914 |
| 4/13 | British Academy Television Awards 2003 | United Kingdom | Place: The Dorchester | Q4969387 |
| 4/13 | April 13, 20032003年4月13日 | Unknown | | Q69304924 |
| 4/14 | 2003 Somaliland presidential election2003年ソマリランド大統領選挙 | Somaliland | | Q2115201 |
| 4/14 | 2003 Quebec general election | Canada | | Q3586426 |
| 4/14 | April 14, 20032003年4月14日 | Unknown | | Q36133847 |
| 4/14 | 2003 Israeli chief rabbi elections | Israel | | Q134539976 |
| 4/15 | April 15, 20032003年4月15日 | Unknown | | Q69304925 |
| 4/16 | Treaty of Accession 2003加盟条約 | Greece | Place: Athens | Q814930 |
| 4/16 | 2003 Scheldeprijs | Belgium | | Q2580371 |
| 4/16 | April 16, 20032003年4月16日 | Unknown | | Q69304927 |
| 4/17 | April 17, 20032003年4月17日 | Unknown | | Q69304929 |
| 4/18 | April 18, 20032003年4月18日 | Unknown | | Q69304930 |
| 4/19 | 2003 Nigerian presidential election | Nigeria | | Q1318985 |
| 4/19 | 2003 Lagos State gubernatorial election | Nigeria | | Q107040946 |
| 4/19 | 2003 Adamawa State gubernatorial election | Nigeria | | Q107088181 |
| 4/19 | 2003 Ebonyi State gubernatorial election | Nigeria | | Q107088282 |
| 4/19 | 2003 Oyo State gubernatorial election | Nigeria | | Q107088349 |
| 4/19 | 2003 Benue State gubernatorial election | Nigeria | | Q107104962 |
| 4/19 | 2003 Bauchi State gubernatorial election | Nigeria | | Q107104973 |
| 4/19 | 2003 Anambra State gubernatorial election | Nigeria | | Q107105081 |
| 4/19 | 2003 Akwa Ibom State gubernatorial election | Nigeria | | Q107105095 |
| 4/19 | 2003 Borno State gubernatorial election | Nigeria | | Q107105130 |
| 4/19 | 2003 Bayelsa State gubernatorial election | Nigeria | | Q107105163 |
| 4/19 | 2003 Kaduna gubernatorial election | Nigeria | | Q106129795 |
| 4/19 | 2003 Kano State gubernatorial election | Nigeria | | Q106696636 |
| 4/19 | 2003 Katsina State gubernatorial election | Nigeria | | Q106830347 |
| 4/19 | 2003 Kebbi State gubernatorial election | Nigeria | | Q106920503 |
| 4/19 | 2003 Sokoto State gubernatorial election | Nigeria | | Q106971936 |
| 4/19 | 2003 Taraba State gubernatorial election | Nigeria | | Q107040251 |
| 4/19 | 2003 Kwara State gubernatorial election | Nigeria | | Q107087756 |
| 4/19 | 2003 Nasarawa State gubernatorial election | Nigeria | | Q107087761 |
| 4/19 | 2003 Osun State gubernatorial election | Nigeria | | Q107088234 |
| 4/19 | 2003 Abia State gubernatorial election | Nigeria | | Q107088274 |
| 4/19 | 2003 Ondo State gubernatorial election | Nigeria | | Q107088339 |
| 4/19 | 2003 Edo State gubernatorial election | Nigeria | | Q107088369 |
| 4/19 | 2003 Kogi State gubernatorial election | Nigeria | | Q107104399 |
| 4/19 | 2003 Delta State gubernatorial election | Nigeria | | Q107105219 |
| 4/19 | 2003 Zamfara State gubernatorial election | Nigeria | | Q107016030 |
| 4/19 | 2003 Yobe State gubernatorial election | Nigeria | | Q107027188 |
| 4/19 | 2003 Niger State gubernatorial election | Nigeria | | Q107087760 |
| 4/19 | 2003 Ogun State gubernatorial election | Nigeria | | Q107087787 |
| 4/19 | 2003 Ekiti State gubernatorial election | Nigeria | | Q107088174 |
| 4/19 | 2003 Rivers State gubernatorial election | Nigeria | | Q107088194 |
| 4/19 | 2003 Plateau State gubernatorial election | Nigeria | | Q107088378 |
| 4/19 | 2003 Imo State gubernatorial election | Nigeria | | Q107104370 |
| 4/19 | 2003 Enugu State gubernatorial election | Nigeria | | Q107104394 |
| 4/19 | 2003 Gombe State gubernatorial election | Nigeria | | Q107104409 |
| 4/19 | 2003 Jigawa State gubernatorial election | Nigeria | | Q107104466 |
| 4/19 | 2003 Cross River State gubernatorial election | Nigeria | | Q107105212 |
| 4/19 | April 19, 20032003年4月19日 | Unknown | | Q69304931 |
| 4/20 | 63rd Satsuki ShoJapan第63回皐月賞 | Japan | Place: Nakayama Racecourse | Q11601563 |
| 4/20 | 2003 Tour de Vendée | France | | Q3996146 |
| 4/20 | 2003 Rund um Köln | Germany | | Q63526630 |
| 4/20 | April 20, 20032003年4月20日 | Unknown | | Q69304934 |
| 4/21 | 2003 Boston Marathonボストン・マラソン2003 | United States | Place: Boston | Q1876662 |
| 4/21 | April 21, 20032003年4月21日 | Unknown | | Q69304935 |
| 4/22 | 2003 Paris–Camembert | France | | Q3895903 |
| 4/22 | April 22, 20032003年4月22日 | Unknown | | Q69304936 |
| 4/23 | La Flèche Wallonne Femmes 2003 | Belgium | | Q21856735 |
| 4/23 | April 23, 20032003年4月23日 | Unknown | | Q69304939 |
| 4/24 | 2003 WNBA Draft | United States | | Q729887 |
| 4/24 | April 24, 20032003年4月24日 | Unknown | | Q69304940 |
| 4/25 | April 25, 20032003年4月25日 | Unknown | | Q69304942 |
| 4/26 | April 26, 20032003年4月26日 | Unknown | | Q69304943 |
| 4/27 | 2003 Argentine presidential election | Argentina | | Q786631 |
| 4/27 | 2003 Paraguayan general election | Paraguay | | Q7134723 |
| 4/27 | April 27, 20032003年4月27日 | Unknown | | Q69304945 |
| 4/27 | 2003 Yemeni parliamentary election | Yemen | | Q8052132 |
| 4/28 | April 28, 20032003年4月28日 | Unknown | | Q69304948 |
| 4/29 | Qatari constitutional referendum, 2003 | Qatar | | Q7267157 |
| 4/29 | 2003 Alabama earthquake | United States | | Q4601069 |
| 4/29 | April 29, 20032003年4月29日 | Unknown | | Q69304949 |
| 4/30 | Mike's Place suicide bombing | Israel | Place: Tel Aviv | Q6845789 |
| 4/30 | Aquatic Warbler Memorandum of Understanding | Unknown | | Q4782797 |
| 4/30 | April 30, 20032003年4月30日 | Unknown | | Q69304950 |
| 5/1 | May 20032003年5月 | Unknown | | Q998889 |
| 5/1 | 2003 Scottish Parliament general election2003年スコットランド議会選挙 | United Kingdom | | Q683800 |
| 5/1 | Deaths in May 2003訃報 2003年5月 | Unknown | | Q10844416 |
| 5/1 | Bingöl earthquake of 20032003年ビンギョル地震 | Turkey | | Q3506205 |
| 5/1 | 2003 National Assembly for Wales election | United Kingdom | | Q1655536 |
| 5/1 | Mission Accomplished speech作戦完了 | United States | Place: San Diego | Q3316780 |
| 5/1 | May 1, 20032003年5月1日 | Unknown | | Q69304952 |
| 5/1 | 2003 Dundee City Council election | United Kingdom | | Q17514901 |
| 5/1 | 2003 West Dunbartonshire Council election | United Kingdom | | Q20876971 |
| 5/1 | 2003 Aberdeen City Council election | United Kingdom | | Q23305688 |
| 5/1 | 2003 Angus Council election | United Kingdom | | Q23305696 |
| 5/1 | 2003 Argyll and Bute Council election | United Kingdom | | Q23305699 |
| 5/1 | 2003 East Lothian Council election | United Kingdom | | Q23305836 |
| 5/1 | 2003 East Renfrewshire Council election | United Kingdom | | Q23305844 |
| 5/1 | 2003 Midlothian Council election | United Kingdom | | Q23306056 |
| 5/1 | 2003 West Lothian Council election | United Kingdom | | Q23306170 |
| 5/1 | 2003 Moray Council election | United Kingdom | | Q24959751 |
| 5/1 | 2003 Shetland Islands Council election | United Kingdom | | Q28454580 |
| 5/1 | 2003 Comhairle nan Eilean Siar election | United Kingdom | | Q28966531 |
| 5/1 | 2003 Aberdeenshire Council election | United Kingdom | | Q30754521 |
| 5/1 | 2003 Perth and Kinross Council election | United Kingdom | | Q30754537 |
| 5/1 | 2003 Orkney Islands Council election | United Kingdom | | Q30754541 |
| 5/1 | 2003 Stirling Council election | United Kingdom | | Q30754598 |
| 5/1 | タマヤーゾ | Spain | | Q35785569 |
| 5/1 | Bethlehem bus crash | South Africa | | Q4898076 |
| 5/1 | 2003 City of Edinburgh Council election | United Kingdom | | Q5123670 |
| 5/1 | 2003 East Ayrshire Council election | United Kingdom | | Q5327768 |
| 5/1 | 2003 Fife Council election | United Kingdom | | Q5447359 |
| 5/1 | 2003 Inverclyde Council election | United Kingdom | | Q54869787 |
| 5/1 | 300th anniversary of Saint Petersburgサンクトペテルブルク建都300周年 | Unknown | | Q55656942 |
| 5/1 | 2003 Glasgow City Council election | United Kingdom | | Q5566776 |
| 5/1 | 2003 Highland Council election | United Kingdom | | Q5758729 |
| 5/1 | murder of Sandra Palo Bermudez | Spain | | Q6406523 |
| 5/1 | 2003 North Lanarkshire Council election | United Kingdom | | Q7055901 |
| 5/1 | 2003 Scottish local elections | United Kingdom | | Q7438089 |
| 5/2 | Marad massacre | India | | Q6754580 |
| 5/2 | May 2, 20032003年5月2日 | Unknown | | Q69304953 |
| 5/3 | 2003 Nauruan parliamentary election | Nauru | | Q1249614 |
| 5/3 | 2003 South Ayrshire Council election | United Kingdom | | Q20876969 |
| 5/3 | 2003 Scottish Borders Council election | United Kingdom | | Q23306137 |
| 5/3 | May 3, 20032003年5月3日 | Unknown | | Q69304954 |
| 5/4 | 127th Tenno ShoJapan第127回天皇賞 | Japan | Place: Kyoto Racecourse | Q137049161 |
| 5/4 | May 4, 20032003年5月4日 | Unknown | | Q69304955 |
| 5/5 | 2003 London Champ Car Trophy | United Kingdom | Place: Brands Hatch | Q4601549 |
| 5/5 | May 5, 20032003年5月5日 | Unknown | | Q69304957 |
| 5/6 | May 6, 20032003年5月6日 | Unknown | | Q69304958 |
| 5/7 | May 7, 20032003年5月7日 | Unknown | | Q69304959 |
| 5/8 | 2003 Slovak Cup Final | Slovakia | Place: Topoľčany | Q16824186 |
| 5/8 | 2003 Congo air disaster | Democratic Republic of the Congo | | Q28223433 |
| 5/8 | May 8, 20032003年5月8日 | Unknown | | Q69304960 |
| 5/9 | 2003 Curaçao general election | Curaçao | | Q19604735 |
| 5/9 | May 9, 20032003年5月9日 | Unknown | | Q69304961 |
| 5/10 | 2003 Icelandic parliamentary election | Iceland | | Q1702180 |
| 5/10 | May 10, 20032003年5月10日 | Unknown | | Q69304963 |
| 5/11 | 2003 Spanish motorcycle Grand Prix2003年のスペイングランプリ | Spain | Place: Jerez-Ángel Nieto Circuit | Q2331923 |
| 5/11 | Lithuanian European Union membership referendum欧州連合加盟をめぐるリトアニアの国民投票 | Lithuania | | Q4140580 |
| 5/11 | May 2003 Montenegrin presidential election | Montenegro | | Q3722568 |
| 5/11 | 2003 German 500 | Germany | Place: EuroSpeedway Lausitz | Q4601407 |
| 5/11 | May 11, 20032003年5月11日 | Unknown | | Q69304965 |
| 5/11 | murder of Gareth O'Connor | United Kingdom | | Q6937858 |
| 5/12 | 2003 Znamenskoye suicide bombing | Russia | Place: Znamenskoye, Chechen Republic | Q3398733 |
| 5/12 | Riyadh compound bombingsリヤド居住区爆破事件 | Unknown | Place: Riyadh | Q2870011 |
| 5/12 | Murder of Holly Jones | Canada | Place: Toronto | Q108442504 |
| 5/12 | May 12, 20032003年5月12日 | Unknown | | Q69304967 |
| 5/13 | May 13, 20032003年5月13日 | Unknown | | Q69304969 |
| 5/14 | May 14, 20032003年5月14日 | Unknown | | Q69304970 |
| 5/15 | May 15, 20032003年5月15日 | Unknown | | Q69304972 |
| 5/15 | Operation Planet X | Unknown | | Q7097399 |
| 5/16 | 2003 Casablanca bombing2003年カサブランカ爆弾テロ事件 | Morocco | Place: Casablanca | Q569394 |
| 5/16 | May 2003 lunar eclipse2003年5月16日の月食 | Unknown | | Q6796313 |
| 5/16 | May 16, 20032003年5月16日 | Unknown | | Q69304973 |
| 5/17 | Slovak European Union membership referendum | Slovakia | | Q3491184 |
| 5/17 | May 17, 20032003年5月17日 | Unknown | | Q69304975 |
| 5/18 | 2003 Belgian federal election2003年の総選挙 | Belgium | | Q2102346 |
| 5/18 | 29th Saturn Awards第29回サターン賞 | United States | Place: California | Q2226461 |
| 5/18 | 2003 French Hill suicide bombing | Israel | Place: Jerusalem | Q4601395 |
| 5/18 | May 18, 20032003年5月18日 | Unknown | | Q69304976 |
| 5/18 | 2003 Croatian national minorities councils and representatives elections | Croatia | | Q97610061 |
| 5/19 | Afula mall bombing | Israel | Place: Afula | Q4690852 |
| 5/19 | 2003–2004 Indonesian offensive in Aceh | Indonesia | Place: Aceh | Q4260973 |
| 5/19 | May 19, 20032003年5月19日 | Unknown | | Q69304978 |
| 5/20 | May 20, 20032003年5月20日 | Unknown | | Q69304979 |
| 5/21 | World Health Organization Framework Convention on Tobacco Controlたばこの規制に関する世界保健機関枠組条約 | Unknown | | Q1520145 |
| 5/21 | 2003 Boumerdès earthquake2003年ブメルデス地震 | Algeria | | Q116688 |
| 5/21 | 2003 Barbadian general election | Barbados | | Q4858578 |
| 5/21 | May 21, 20032003年5月21日 | Unknown | | Q69304981 |
| 5/22 | May 22, 20032003年5月22日 | Unknown | | Q69304983 |
| 5/23 | 2003 Sint Maarten general election | Sint Maarten | | Q17510379 |
| 5/23 | 2003 Saban general election | Kingdom of the Netherlands | | Q21189734 |
| 5/23 | Ladhowal train fire | India | | Q6469414 |
| 5/23 | May 23, 20032003年5月23日 | Unknown | | Q69304985 |
| 5/24 | Paul McCartney in Red Squareライヴ・イン・レッド・スクウェア | United Kingdom, United States | | Q3898117 |
| 5/24 | May 24, 20032003年5月24日 | Unknown | | Q69304986 |
| 5/24 | 2003 Heineken Cup Final | Ireland | Place: Lansdowne Road | Q4601428 |
| 5/25 | 2003 Angola Boeing 727 disappearance2003年アンゴラにおけるボーイング727失踪事件 | Angola | Place: Quatro de Fevereiro Airport | Q6952032 |
| 5/25 | 2003 Extremaduran regional election | Spain | | Q3328661 |
| 5/25 | 2003 Armenian parliamentary election | Armenia | | Q3824424 |
| 5/25 | 2003 Navarrese regional election2003年ナバーラ自治州議会選挙 | Spain | | Q389579 |
| 5/25 | 2003 Asturian parliamentary election2003年アストゥリアス自治州議会選挙 | Spain | | Q8774302 |
| 5/25 | 2003 Bremen state election | Germany | | Q1021428 |
| 5/25 | 2003 Spanish local elections | Spain | Place: Spain | Q11918797 |
| 5/25 | 2003 Madrid City Council election | Spain | Place: Madrid | Q19921277 |
| 5/25 | 2003 Barcelona City Council election | Spain | | Q20312514 |
| 5/25 | 2003 Aragonese regional election | Spain | | Q3571358 |
| 5/25 | 2003 Ukrainian Cup Final | Ukraine | Place: Olimpiyskiy National Sports Complex | Q4601950 |
| 5/25 | 2003 Cantabrian regional election2003年カンタブリア自治州議会選挙 | Spain | | Q5827531 |
| 5/25 | 2003 Basque foral elections | Spain | | Q8774330 |
| 5/25 | 2003 Canarian regional election | Spain | | Q8774381 |
| 5/25 | Armenian constitutional referendum, 2003 | Armenia | | Q4793259 |
| 5/25 | 2003 Seville City Council election | Spain | | Q48844348 |
| 5/25 | 2003 Valencian regional election2003年バレンシア州議会選挙 | Spain | | Q4894531 |
| 5/25 | May 2003 Madrilenian regional election | Spain | | Q5354932 |
| 5/25 | 2003 Castilian-Manchegan regional election | Spain | | Q5827487 |
| 5/25 | 2003 Castilian-Leonese regional election | Spain | | Q5827501 |
| 5/25 | 2003 Riojan regional election | Spain | | Q5827548 |
| 5/25 | 2003 MTV Video Music Awards Japan | Tokyo | Place: Saitama Super Arena | Q795462 |
| 5/25 | Balearic regional election, 20032003年バレアレス諸島自治州議会選挙 | Spain | | Q8774403 |
| 5/25 | 2003 Murcian regional election | Spain | | Q20978128 |
| 5/25 | 2003 Moldovan local elections | Moldova | | Q4127427 |
| 5/25 | 2003 Valencia City Council election | Spain | | Q48843743 |
| 5/25 | 2003 Melilla Assembly election | Spain | | Q55622733 |
| 5/25 | 2003 Ceuta Assembly election | Spain | | Q5827450 |
| 5/25 | 2003 Canarian Island Cabildo elections | Spain | | Q97356042 |
| 5/25 | 2003 Spanish local elections in Galicia | Spain | | Q12387523 |
| 5/25 | 2003 Alcorcón City Council election | Spain | Place: Alcorcón | Q56377558 |
| 5/25 | May 25, 20032003年5月25日 | Unknown | | Q69304988 |
| 5/26 | UM Airlines Flight 4230UM航空4230便墜落事故 | Turkey | | Q2502052 |
| 5/26 | 2003 Miyagi earthquakeJapan宮城県沖地震 | Japan | | Q11358257 |
| 5/26 | Constitution of Rwandaルワンダの憲法 | Rwanda | | Q2687931 |
| 5/26 | 2003 Dutch Senate election2003年オランダ上院選挙 | Netherlands | | Q13575449 |
| 5/26 | Rwandan constitutional referendum, 2003 | Rwanda | | Q7383747 |
| 5/26 | May 26, 20032003年5月26日 | Unknown | | Q69304990 |
| 5/27 | Murder of Shelby Tracy Tom | Canada | Place: Vancouver | Q121891494 |
| 5/27 | May 27, 20032003年5月27日 | Unknown | | Q69304991 |
| 5/28 | May 28, 20032003年5月28日 | Unknown | | Q69304992 |
| 5/29 | Qantas Flight 1737カンタス航空1737便ハイジャック未遂事件 | Australia | | Q7266509 |
| 5/29 | May 29, 20032003年5月29日 | Unknown | | Q69304993 |
| 5/30 | Depayin massacreディベイン虐殺事件 | Myanmar | Place: Tabayin | Q5260602 |
| 5/30 | May 30, 20032003年5月30日 | Unknown | | Q69304995 |
| 5/31 | 2003 MTV Movie Awards2003年MTVムービーアワード | United States | Place: Shrine Auditorium and Expo Hall | Q1582057 |
| 5/31 | solar eclipse of May 31, 20032003年5月31日の日食 | Unknown | | Q841551 |
| 5/31 | 2003 Coupe de France Final | France | Place: Stade de France | Q4601258 |
| 5/31 | 2003 Scottish Cup Final | United Kingdom | Place: Hampden Park | Q4484607 |
| 5/31 | 2003 Grand Prix de Plumelec-Morbihan | France | | Q4025142 |
| 5/31 | 2003 Milwaukee Mile Centennial 250 | United States | Place: Milwaukee Mile | Q4601592 |
| 5/31 | May 31, 20032003年5月31日 | Unknown | | Q69304997 |
| 6/1 | June 20032003年6月 | Unknown | | Q1150120 |
| 6/1 | Deaths in June 2003訃報 2003年6月 | Unknown | | Q10844417 |
| 6/1 | 2003 Belgian Cup Final | Belgium | Place: King Baudouin Stadium | Q16973110 |
| 6/1 | 2003 Togolese presidential election | Togo | | Q7813224 |
| 6/1 | 2003 Tro-Bro Leon | France | | Q55601699 |
| 6/1 | June 1, 20032003年6月1日 | Unknown | | Q69304998 |
| 6/2 | June 2, 20032003年6月2日 | Unknown | | Q69305000 |
| 6/3 | Miss Universe 2003ミス・ユニバース2003 | Unknown | Place: Figali Convention Center | Q276889 |
| 6/3 | Metal Hammer Golden Gods Awardsメタル・ハンマー・ゴールデン・ゴッド・アワード | Unknown | | Q22032280 |
| 6/3 | Chinchilla train collision | Spain | Place: Chinchilla de Montearagón | Q8186829 |
| 6/3 | 2003 Multishow Brazilian Music Awards | Brazil | Place: Teatro Municipal | Q30932330 |
| 6/3 | 2003 Manitoba general election | Canada | | Q3586320 |
| 6/3 | June 3, 20032003年6月3日 | Unknown | | Q69305001 |
| 6/4 | June 4, 20032003年6月4日 | Unknown | | Q69305002 |
| 6/5 | June 5, 20032003年6月5日 | Unknown | | Q69305003 |
| 6/6 | Deutscher Filmpreis 2003 | Germany | | Q118597783 |
| 6/6 | June 6, 20032003年6月6日 | Unknown | | Q69305004 |
| 6/7 | 2002 Mestre Mateo Awards | Spain | Place: Auditorio de Galicia | Q12398167 |
| 6/7 | June 7, 20032003年6月7日 | Unknown | | Q69305005 |
| 6/8 | Polish European Union membership referendum | Poland | | Q949562 |
| 6/8 | 2003 Italian motorcycle Grand Prix2003年のイタリアグランプリ | Italy | Place: Mugello Circuit | Q2331334 |
| 6/8 | 2003 Mauritanian coup d'état attempt | Mauritania | Place: Nouakchott | Q85728158 |
| 6/8 | 2003 Friuli-Venezia Giulia regional election | Italy | | Q3722621 |
| 6/8 | 2003 Valdostan regional election | Italy | | Q3722686 |
| 6/8 | June 8, 20032003年6月8日 | Unknown | | Q69305006 |
| 6/9 | 2003 New Brunswick general election | Canada | | Q3586355 |
| 6/9 | June 9, 20032003年6月9日 | Unknown | | Q69305007 |
| 6/10 | June 10, 20032003年6月10日 | Unknown | | Q69305010 |
| 6/11 | Davidka Square bus bombing | Israel | Place: Davidka Square | Q5241605 |
| 6/11 | June 11, 20032003年6月11日 | Unknown | | Q69305012 |
| 6/12 | 2003 Algerian Cup Final | Algeria | Place: Stade Mustapha Tchaker | Q18205647 |
| 6/12 | June 12, 20032003年6月12日 | Unknown | | Q69305013 |
| 6/13 | June 13, 20032003年6月13日 | Unknown | | Q69305014 |
| 6/14 | Czech European Union membership referendum | Czech Republic | | Q3501000 |
| 6/14 | June 14, 20032003年6月14日 | Unknown | | Q69305017 |
| 6/15 | 2003 Taça de Portugal Final | Portugal | Place: Estádio Nacional | Q16851749 |
| 6/15 | Italian referendum, 2003 | Italy | | Q3931579 |
| 6/15 | 2003 Grand Prix of Monterey | United States | Place: WeatherTech Raceway Laguna Seca | Q4601419 |
| 6/15 | June 15, 20032003年6月15日 | Unknown | | Q69305018 |
| 6/15 | Triplemanía XI | Mexico | Place: Toreo de Cuatro Caminos | Q7843571 |
| 6/16 | June 16, 20032003年6月16日 | Unknown | | Q69305020 |
| 6/17 | 2003 Jordanian general election | Jordan | | Q3087540 |
| 6/17 | June 17, 20032003年6月17日 | Unknown | | Q69305021 |
| 6/18 | June 18, 20032003年6月18日 | Unknown | | Q69305024 |
| 6/19 | June 19, 20032003年6月19日 | Unknown | | Q69305025 |
| 6/20 | Fukuoka family murder caseJapan福岡一家4人殺害事件 | Japan | | Q11592160 |
| 6/20 | 2003 Latvian presidential election | Latvia | | Q16348336 |
| 6/20 | 2003 Route 60 Hamas ambush | Israel | Place: Highway 60 | Q20988597 |
| 6/20 | 2003 Coquimbo earthquake | Chile | | Q4601257 |
| 6/20 | June 20, 20032003年6月20日 | Unknown | | Q69305029 |
| 6/21 | Death of Abdul Wali | Unknown | | Q135668488 |
| 6/21 | Lennox Lewis vs. Vitali Klitschko | United States | Place: Crypto.com Arena | Q16226996 |
| 6/21 | June 21, 20032003年6月21日 | Unknown | | Q69305030 |
| 6/22 | Tajikistani constitutional referendum, 2003 | Tajikistan | | Q7676836 |
| 6/22 | Air France Flight 5672エールフランス5672便墜落事故 | France | | Q3562604 |
| 6/22 | 2003 G.I. Joe's 200 | United States | Place: Portland International Raceway | Q4601397 |
| 6/22 | June 22, 20032003年6月22日 | Unknown | | Q69305032 |
| 6/23 | June 23, 20032003年6月23日 | Unknown | | Q69305033 |
| 6/23 | Vaibhavwadi train crash | India | | Q7908693 |
| 6/24 | Battle of Majar al-Kabirマジャール・アル・カビールの戦い | Iraq | Place: Majar al-Kabir | Q39086158 |
| 6/24 | June 24, 20032003年6月24日 | Unknown | | Q69305034 |
| 6/25 | June 25, 20032003年6月25日 | Unknown | | Q69305036 |
| 6/26 | Lawrence v. Texasローレンス対テキサス州事件 | United States | | Q1157002 |
| 6/26 | 2003 NBA draft2003年のNBAドラフト | United States | Place: Madison Square Garden | Q1352101 |
| 6/26 | June 26, 20032003年6月26日 | Unknown | | Q69305037 |
| 6/27 | June 27, 20032003年6月27日 | Unknown | | Q69305038 |
| 6/28 | June 28, 20032003年6月28日 | Unknown | | Q36143971 |
| 6/29 | 2003 Chicago balcony collapse | United States | | Q4601221 |
| 6/29 | 44th Takarazuka KinenJapan第44回宝塚記念 | Japan | Place: Hanshin Racecourse | Q137168354 |
| 6/29 | June 29, 20032003年6月29日 | Unknown | | Q69305040 |
| 6/30 | June 30, 20032003年6月30日 | Unknown | | Q69305043 |
| 7/1 | July 20032003年7月 | Unknown | | Q1150104 |
| 7/1 | Deaths in July 2003訃報 2003年7月 | Unknown | | Q10844418 |
| 7/1 | 1 July 2003 Hong Kong march2003年7月1日香港デモ | People's Republic of China | Place: Hong Kong | Q10844452 |
| 7/1 | murder of Jakob von Metzler | Germany | Place: Frankfurt | Q89920245 |
| 7/1 | 2003 European Ladies' Team Championship | Germany | | Q109973938 |
| 7/1 | 玄界灘海難事故Japan | Japan | | Q11572312 |
| 7/2 | Warangal train crash | India | | Q7968798 |
| 7/3 | 2003 Bawean incident | Indonesia | Place: Bawean Island | Q122010173 |
| 7/4 | Eurovision Young Dancers 2003 | Unknown | | Q85381 |
| 7/4 | July 2003 Kiribati presidential election | Kiribati | | Q6415136 |
| 7/5 | 2003 Tushino bombing | Unknown | Place: Tushino airfield | Q4601919 |
| 7/5 | 2003 Kuwaiti general election | Kuwait | | Q6449010 |
| 7/5 | 2003 U.S. Bank Cleveland Grand Prix | United States | Place: Cleveland circuit | Q4601926 |
| 7/6 | Corsican autonomy referendum, 2003 | France | | Q5173166 |
| 7/6 | Mexican elections, 2003 | Mexico | | Q3323425 |
| 7/6 | 2003 Tour de Doubs | France | | Q29578006 |
| 7/8 | Sudan Airways Flight 139スーダン航空139便墜落事故 | Unknown | Place: Port Sudan | Q935682 |
| 7/10 | Tuen Mun Road bus plunge屯門公路2階建てバス転落事故 | People's Republic of China | Place: Tuen Mun Road | Q8427159 |
| 7/10 | July 10, 20032003年7月10日 | Unknown | | Q69305058 |
| 7/11 | Maputo Protocolマプト議定書 | Unknown | Place: Maputo | Q3924288 |
| 7/11 | African Union Convention on Preventing and Combating Corruption | Unknown | | Q4689943 |
| 7/11 | July 11, 20032003年7月11日 | Unknown | | Q69305060 |
| 7/12 | 2003 WNBA All-Star Game | United States | Place: Madison Square Garden | Q3564741 |
| 7/12 | July 12, 20032003年7月12日 | Unknown | | Q69305061 |
| 7/13 | 2003 British motorcycle Grand Prix2003年のイギリスグランプリ | United Kingdom | Place: ドニントン・パーク | Q2331828 |
| 7/13 | 2003 Tour de France, Stage 8ツール・ド・フランス2003 第8ステージ | France | | Q2818655 |
| 7/13 | Shooting of Cau Bich Tran | Unknown | | Q19881709 |
| 7/13 | 2003 Molson Indy Toronto | Canada | Place: Toronto Street Circuit | Q4601599 |
| 7/14 | 2003 accident on the Bundesautobahn 5 | Germany | | Q2516458 |
| 7/14 | July 14, 20032003年7月14日 | Unknown | | Q69305064 |
| 7/15 | July 15, 20032003年7月15日 | Unknown | | Q69305066 |
| 7/16 | 2003 São Tomé and Príncipe coup d'état attempt | São Tomé and Príncipe | Place: São Tomé | Q27860366 |
| 7/17 | 2003 Tour de France, Stage 11ツール・ド・フランス2003 第11ステージ | France | | Q2807186 |
| 7/17 | July 17, 20032003年7月17日 | Unknown | | Q69305069 |
| 7/18 | 平成15年梅雨前線豪雨Japan | Japan | | Q109364172 |
| 7/18 | July 18, 20032003年7月18日 | Unknown | | Q69305070 |
| 7/19 | July 19, 20032003年7月19日 | Unknown | | Q69305072 |
| 7/21 | 2003 Dayao earthquake | Unknown | | Q111945326 |
| 7/21 | murder of Oleg Shaichat | Israel | Place: Northern District | Q4166672 |
| 7/21 | July 21, 20032003年7月21日 | Unknown | | Q69305076 |
| 7/22 | 2003 Mosul raid | Iraq | Place: Mosul | Q65074171 |
| 7/22 | 2003 Alicante and Benidorm bombings | Spain | Place: Alicante | Q27891517 |
| 7/22 | Memphis summer storm of 2003 | United States | Place: Southern United States | Q6815882 |
| 7/23 | Murder of Nireah Johnson | United States | Place: Indianapolis | Q98959157 |
| 7/23 | 2003 Tour de France, Stage 16 | France | | Q96484222 |
| 7/24 | Jueves negro | Guatemala | Place: Guatemala City | Q2117787 |
| 7/24 | 2003 Bermudian general election | United Kingdom | | Q4892711 |
| 7/24 | 2003 Tour de France, Stage 17 | France | | Q96602761 |
| 7/26 | July 26, 20032003年7月26日 | Unknown | | Q69305083 |
| 7/27 | 2003 Cambodian general election2003年カンボジア国民議会選挙 | Cambodia | | Q5025197 |
| 7/27 | 2003 German motorcycle Grand Prix2003年のドイツグランプリ | Germany | Place: Sachsenring | Q2332020 |
| 7/27 | Oakwood mutinyオークウッド反乱 | Philippines | Place: マカティ | Q7074336 |
| 7/27 | 2003 Firestone Indy 400 | United States | Place: Michigan International Speedway | Q10495715 |
| 7/27 | 2003 Molson Indy Vancouver | Canada | Place: Streets of Vancouver | Q4601600 |
| 7/27 | Tasman Spirit oil spill | Unknown | Place: Port of Karachi | Q85805254 |
| 7/28 | Royal Proclamation of 2003 | Unknown | | Q3406437 |
| 7/28 | July 28, 20032003年7月28日 | Unknown | | Q69305086 |
| 7/30 | July 30, 20032003年7月30日 | Unknown | | Q69305090 |
| 7/31 | 2003 Circuito de Getxo | Spain | | Q59595864 |
| 8/1 | August 20032003年8月 | Unknown | | Q760682 |
| 8/1 | Deaths in August 2003訃報 2003年8月 | Unknown | | Q10844419 |
| 8/1 | Accra Comprehensive Peace Agreement | Unknown | Place: Accra | Q15991254 |
| 8/1 | Mozdok truck bombing | Unknown | | Q4110420 |
| 8/1 | August 1, 20032003年8月1日 | Unknown | | Q69305092 |
| 8/2 | 2003 Teen Choice Awards | United States | Place: Gibson Amphitheatre | Q2400047 |
| 8/2 | 14th Golden Melody Awards第14回金曲奨 | Taiwan | Place: National Taiwan University Sports Center | Q4550021 |
| 8/3 | 2003 North Korean parliamentary election第十一期最高人民会議代議員選挙 | North Korea | | Q3587221 |
| 8/3 | 2003 HEW CyclassicsHEWサイクラシックス2003 | Germany | | Q3124842 |
| 8/3 | 2003 North Korean local elections | North Korea | | Q15987672 |
| 8/3 | 2003 Brickyard 400 | United States | Place: Indianapolis Motor Speedway | Q22021903 |
| 8/3 | 2003 San Marino voting system referendum | San Marino | | Q3931601 |
| 8/3 | 2003 Mario Andretti Grand Prix at Road America | United States | Place: Road America | Q4601569 |
| 8/3 | August 3, 20032003年8月3日 | Unknown | | Q69305096 |
| 8/5 | 2003 Marriott Hotel bombing2003年マリオットホテル爆破テロ事件 | Indonesia | Place: Jakarta | Q569203 |
| 8/5 | 2003 Nova Scotia general election | Canada | | Q3586370 |
| 8/6 | August 6, 20032003年8月6日 | Unknown | | Q69305100 |
| 8/7 | Jordanian embassy bombing in Baghdad | Iraq | Place: Baghdad | Q4601499 |
| 8/7 | August 7, 20032003年8月7日 | Unknown | | Q69305103 |
| 8/8 | August 8, 20032003年8月8日 | Unknown | | Q69305105 |
| 8/10 | 2003 Champ Car Grand Prix of Mid-Ohio | United States | Place: Mid-Ohio Sports Car Course | Q4601217 |
| 8/13 | Goraždevac murders | Kosovo | Place: Goraždevac | Q4468616 |
| 8/14 | Northeast blackout of 20032003年北アメリカ大停電 | Canada, United States | | Q2991760 |
| 8/14 | Kamalnagar massacre | India | | Q60740032 |
| 8/17 | 2003 Czech Republic motorcycle Grand Prix2003年のチェコグランプリ | Czech Republic | Place: Masaryk Circuit | Q2331210 |
| 8/17 | 2003 Züri-Metzgete | Switzerland | | Q523370 |
| 8/17 | 2003 Grand Prix of Mosport | Canada | Place: Canadian Tire Motorsport Park | Q4601415 |
| 8/17 | 2003 Cypriot Super Cup | Cyprus | Place: GSP Stadium | Q63461558 |
| 8/17 | August 17, 20032003年8月17日 | Unknown | | Q69305119 |
| 8/18 | 熊谷男女4人殺傷事件Japan | Japan | Place: Kumagaya | Q18336863 |
| 8/18 | August 18, 20032003年8月18日 | Unknown | | Q69305120 |
| 8/19 | Canal Hotel bombingカナルホテル爆破事件 | Iraq | Place: Baghdad | Q4116108 |
| 8/19 | Shmuel HaNavi bus bombing | Israel | Place: Jerusalem | Q5247397 |
| 8/19 | August 19, 20032003年8月19日 | Unknown | | Q69305122 |
| 8/22 | 2003 Alcântara VLS accidentブラジルロケット爆発事故 | Brazil | Place: Alcântara Space Center | Q377174 |
| 8/22 | Amanda Award 2003 | Norway | Place: Haugesund Municipality | Q3910425 |
| 8/22 | August 22, 20032003年8月22日 | Unknown | | Q69305126 |
| 8/23 | August 23, 20032003年8月23日 | Unknown | | Q69305128 |
| 8/24 | 2003 GP Ouest-FranceGP西フランス・プルエー2003 | France | | Q521416 |
| 8/24 | Tropical Airways Flight 1301 | Haiti | | Q28441371 |
| 8/24 | 2003 Molson Indy Montreal | Canada | Place: Circuit Gilles Villeneuve | Q4601596 |
| 8/24 | 2003 Road America 500 | United States | Place: Road America | Q4601770 |
| 8/24 | August 24, 20032003年8月24日 | Unknown | | Q69305129 |
| 8/25 | 2003 Rwandan presidential election | Rwanda | | Q2115055 |
| 8/25 | 25 August 2003 Mumbai bombings | India | Place: Mumbai | Q4632149 |
| 8/26 | Colgan Air Flight 9446コルガン・エア9446便墜落事故 | United States | | Q5144772 |
| 8/27 | Mars hoax火星の嘘 | Unknown | | Q2599447 |
| 8/27 | 2003 Jordanian local elections | Jordan | | Q39057431 |
| 8/27 | August 27, 20032003年8月27日 | Unknown | | Q69305134 |
| 8/29 | death of Brian Welsピザ配達人爆死事件 | United States | Place: Erie | Q523883 |
| 8/29 | Imam Ali Mosque bombing | Iraq | Place: Najaf | Q6003043 |
| 8/30 | August 30, 20032003年8月30日 | Unknown | | Q69305138 |
| 8/31 | Luzhou Daxishi Community Arson Case | Unknown | | Q17500272 |
| 8/31 | 2003 Boucles de l'Aulne | France | | Q3643123 |
| 8/31 | 2003 Centrix Financial Grand Prix of Denver | United States | Place: Street circuit Denver | Q4601210 |
| 8/31 | August 31, 20032003年8月31日 | Unknown | | Q69305139 |
| 9/1 | September 20032003年9月 | Unknown | | Q1190193 |
| 9/1 | Operation Artemisアルテミス作戦 | Unknown | Place: Ituri Province | Q1535667 |
| 9/1 | Category:September 2003Category:2003年9月 | Unknown | | Q9413901 |
| 9/1 | Deaths in September 2003訃報 2003年9月 | Unknown | | Q22814131 |
| 9/1 | Category:September 2003 in the United States | Unknown | | Q60938146 |
| 9/1 | Category:September 2003 by country | Unknown | | Q78161772 |
| 9/1 | Category:September 2003 in Russia | Unknown | | Q106702300 |
| 9/1 | 2003 Česká pojišťovna Cup | Czech Republic | | Q11283294 |
| 9/1 | Category:September 2003 in sports | Unknown | | Q13348201 |
| 9/1 | Category:September 2003 in Europe | Unknown | | Q30617775 |
| 9/1 | Category:September 2003 by continent | Unknown | | Q30617777 |
| 9/1 | Category:September 2003 in North America | Unknown | | Q78161777 |
| 9/1 | Category:September 2003 in Asia | Unknown | | Q78167457 |
| 9/1 | Category:September 2003 in South America | Unknown | | Q106649221 |
| 9/1 | Category:September 2003 in China | Unknown | | Q107350872 |
| 9/1 | Category:September 2003 in France | Unknown | | Q117112666 |
| 9/1 | Category:September 2003 in Germany | Unknown | | Q118582554 |
| 9/1 | Category:September 2003 in Iraq | Unknown | | Q125129774 |
| 9/1 | Category:September 2003 in Italy | Unknown | | Q127452149 |
| 9/1 | Category:September 2003 sports events in the United States | Unknown | | Q60937439 |
| 9/1 | Category:September 2003 in Mexico | Unknown | | Q79272498 |
| 9/1 | Category:September 2003 in the United Kingdom | Unknown | | Q86803246 |
| 9/1 | Category:September 2003 in Africa | Unknown | | Q98636735 |
| 9/1 | Category:September 2003 sports events in Asia | Unknown | | Q105242992 |
| 9/1 | Category:September 2003 in Thailand | Unknown | | Q105319745 |
| 9/1 | Category:September 2003 in Turkey | Unknown | | Q106526260 |
| 9/1 | Category:September 2003 sports events in South America | Unknown | | Q106649219 |
| 9/1 | Category:September 2003 sports events in China | Unknown | | Q107350884 |
| 9/1 | Category:Vladimir Putin in September 2003 | Unknown | | Q114330473 |
| 9/1 | Category:September 2003 in Ukraine | Unknown | | Q115320249 |
| 9/1 | Category:September 2003 crimes in the United States | Unknown | | Q122389613 |
| 9/1 | Category:September 2003 crimes in North America | Unknown | | Q122389626 |
| 9/1 | Category:September 2003 in Spain | Unknown | | Q124952896 |
| 9/1 | Category:September 2003 in Sweden | Unknown | | Q131511578 |
| 9/1 | Category:September 2003 crimes in Asia | Unknown | | Q131694432 |
| 9/1 | Category:September 2003 crimes in Europe | Unknown | | Q131694433 |
| 9/1 | Category:September 2003 sports events in Italy | Unknown | | Q134518082 |
| 9/1 | Category:September 2003 in Ireland | Unknown | | Q135469647 |
| 9/1 | Category:September 2003 in Poland | Unknown | | Q135469648 |
| 9/1 | Category:September 2003 in Switzerland | Unknown | | Q135469649 |
| 9/1 | Category:September 2003 in Israel | Unknown | | Q140193295 |
| 9/1 | Category:September 2003 sports events in Europe | Unknown | | Q30461009 |
| 9/1 | 2003 Nebelhorn Trophy2003年ネーベルホルン杯 | Germany | Place: Oberstdorf | Q4601652 |
| 9/1 | Category:September 2003 crimes | Unknown | | Q60054072 |
| 9/1 | Category:September 2003 sports events in North America | Unknown | | Q78600608 |
| 9/1 | Category:September 2003 in Canada | Unknown | | Q86803244 |
| 9/1 | Category:September 2003 sports events in the United Kingdom | Unknown | | Q86803249 |
| 9/2 | September 2, 20032003年9月2日 | Unknown | | Q69305141 |
| 9/4 | IDF AF's flypast over Auschwitz | Israel | Place: Auschwitz | Q16131581 |
| 9/5 | 2003 Rwandan parliamentary election | Rwanda | | Q7383753 |
| 9/5 | September 5, 20032003年9月5日 | Unknown | | Q47044537 |
| 9/7 | 2003 Grote Prijs Jef Scherens | Belgium | | Q21093813 |
| 9/9 | Café Hillel bombing | Israel | Place: Jerusalem | Q12406886 |
| 9/9 | Tzrifin bus stop attack | Israel | Place: Tzrifin | Q7861992 |
| 9/10 | assassination of Anna Lindh | Sweden | Place: Stockholm | Q2866968 |
| 9/10 | September 10, 20032003年9月10日 | Unknown | | Q69305150 |
| 9/11 | September 11, 20032003年9月11日 | Unknown | | Q69305151 |
| 9/12 | Miss Europe 2003ミス・ヨーロッパ2003 | Unknown | Place: Disneyland Paris | Q3859069 |
| 9/12 | September 12, 20032003年9月12日 | Unknown | | Q69305153 |
| 9/13 | 2003 Paris–Brussels | France, Belgium | | Q57778528 |
| 9/13 | Jungle Fight 1JUNGLE FIGHT 1 | Brazil | | Q6312813 |
| 9/13 | September 13, 20032003年9月13日 | Unknown | | Q69305154 |
| 9/14 | Estonian European Union membership referendum, 2003 | Estonia | | Q5401553 |
| 9/14 | 2003 Swedish euro referendum | Sweden | | Q4352712 |
| 9/14 | 2003 Guinea-Bissau coup d'état | Guinea-Bissau | Place: Bissau | Q61946226 |
| 9/14 | 2003 Andorran Supercup | Andorra | Place: Estadi Comunal d'Aixovall | Q17494666 |
| 9/14 | 2003 Grand Prix de Fourmies | France | | Q3114087 |
| 9/15 | 21st Golden Eagle Awards | Unknown | | Q4631107 |
| 9/15 | September 15, 20032003年9月15日 | Unknown | | Q69305156 |
| 9/15 | 2003 Norwegian county council election | Norway | | Q7061332 |
| 9/15 | Category:2003-09-15 | Unknown | | Q88747107 |
| 9/16 | September 16, 20032003年9月16日 | Unknown | | Q69305158 |
| 9/17 | Grand Prix de Wallonie 2003 | Belgium | | Q20731480 |
| 9/19 | Common Economic Zone Agreement | Unknown | Place: Yalta | Q9364717 |
| 9/19 | Cape Verde–Mauritania Maritime Delimitation Treaty | Unknown | Place: Praia | Q5035152 |
| 9/19 | September 19, 20032003年9月19日 | Unknown | | Q69305161 |
| 9/20 | Latvian European Union membership referendum | Latvia | | Q4140776 |
| 9/20 | 2003 Rio de Janeiro motorcycle Grand Prix2003年のブラジルグランプリ | Brazil | Place: Autódromo Internacional Nelson Piquet | Q2331993 |
| 9/20 | Miss America 2004ミス・アメリカ2004 | United States | Place: Boardwalk Hall | Q374397 |
| 9/20 | September 20, 20032003年9月20日 | Unknown | | Q69305163 |
| 9/21 | 2003 Bavarian state election | Germany | | Q554356 |
| 9/21 | 2003 Grand Prix d'Isbergues | France | | Q3775217 |
| 9/21 | Slovenian Sunday shopping referendum, 2003 | Slovenia | | Q7541840 |
| 9/22 | 2003 Dominican Republic earthquake | Unknown | | Q4601289 |
| 9/22 | 2003 Taungdwingyi earthquake | Unknown | | Q101281881 |
| 9/23 | Luxair Flight 8852 | Luxembourg | Place: Luxembourg Airport | Q13103839 |
| 9/23 | 2003 Asian Athletics Championships – men's 4 × 400 metres relay | Philippines | | Q16938962 |
| 9/23 | September 23, 20032003年9月23日 | Unknown | | Q69305167 |
| 9/24 | September 24, 20032003年9月24日 | Unknown | | Q69305169 |
| 9/25 | 2003 Tokachi earthquakeJapan2003年十勝沖地震 | Japan | | Q4601438 |
| 9/25 | September 25, 20032003年9月25日 | Unknown | | Q69305171 |
| 9/26 | September 26, 20032003年9月26日 | Unknown | | Q69305172 |
| 9/27 | 2003 Altai earthquake | Russia | | Q4517810 |
| 9/27 | 2003 Scottish National Party leadership election | United Kingdom | | Q21187785 |
| 9/28 | 2003 Italy blackout2003年イタリア大停電 | Italy | | Q3640659 |
| 9/28 | 2003 Upper Austrian state election | Austria | | Q1804155 |
| 9/28 | 2003 Berlin Marathonベルリン・マラソン2003 | Germany | Place: Berlin | Q2026961 |
| 9/28 | 2003 Tyrolean state election | Austria | | Q996483 |
| 9/28 | 2003 Grand Prix Americas | United States | Place: Homestead-Miami Speedway | Q4601412 |
| 9/29 | 2003 Prince Edward Island general election | Canada | | Q3586391 |
| 10/1 | October 20032003年10月 | Unknown | | Q1150135 |
| 10/1 | Deaths in October 2003訃報 2003年10月 | Unknown | | Q10844409 |
| 10/1 | 2003 Burkinabe coup d'état attempt | Burkina Faso | | Q22082353 |
| 10/1 | 2003 Skate America2003年スケートアメリカ | United States | Place: Sovereign Center | Q3178607 |
| 10/1 | October 1, 20032003年10月1日 | Unknown | | Q69305179 |
| 10/2 | 2003 Ontario general election | Canada | | Q3586387 |
| 10/2 | 2003 Paris–Bourges | France | | Q3895876 |
| 10/2 | October 2, 20032003年10月2日 | Unknown | | Q69305180 |
| 10/3 | October 3, 20032003年10月3日 | Unknown | | Q69305181 |
| 10/4 | Maxim restaurant suicide bombing | Israel | Place: Haifa | Q2870013 |
| 10/4 | October 4, 20032003年10月4日 | Unknown | | Q69305183 |
| 10/4 | 2003 Omani general election | Oman | | Q7089574 |
| 10/5 | Ain es Saheb airstrike | Syria | | Q4697371 |
| 10/5 | October 5, 20032003年10月5日 | Unknown | | Q69305185 |
| 10/6 | October 6, 20032003年10月6日 | Unknown | | Q69305186 |
| 10/7 | 2003 California gubernatorial recall election | United States | | Q5021265 |
| 10/8 | 2003 UCI Road World Championships – Women's time trial | Canada | Place: Hamilton | Q2995905 |
| 10/8 | 2003 East Java bus crash | Indonesia | | Q109442002 |
| 10/8 | Supercopa de España de Baloncesto Femenino 2003 | Spain | Place: Pabellón Municipal Fuente San Luis | Q131985517 |
| 10/8 | October 8, 20032003年10月8日 | Unknown | | Q69305189 |
| 10/9 | Slivenko v. Latvia | Latvia | | Q4423407 |
| 10/11 | 2003 UCI Road World Championships – Women's road race | Canada | Place: Hamilton | Q16535085 |
| 10/11 | October 11, 20032003年10月11日 | Unknown | | Q69305193 |
| 10/12 | 2003 Malaysian motorcycle Grand Prix2003年のマレーシアグランプリ | Malaysia | Place: Sepang International Circuit | Q2332257 |
| 10/12 | 2003 Chicago Marathonシカゴ・マラソン2003 | United States | Place: Chicago | Q2594381 |
| 10/12 | 2003 Gran Premio Telmex-Gigante | Mexico | Place: Autódromo Hermanos Rodríguez | Q4601411 |
| 10/12 | October 12, 20032003年10月12日 | Unknown | | Q69305194 |
| 10/12 | World Soundtrack Awards 2003 | Belgium | Place: Ghent | Q8036249 |
| 10/13 | October 13, 20032003年10月13日 | Unknown | | Q69305197 |
| 10/14 | Steve Bartman incidentスティーブ・バートマン事件 | United States | Place: Wrigley Field | Q1012810 |
| 10/15 | 2003 Azerbaijani presidential election2003年アゼルバイジャン大統領選挙 | Azerbaijan | | Q4832439 |
| 10/15 | 2003 Staten Island Ferry crash | United States | Place: St. George | Q4601865 |
| 10/15 | October 15, 20032003年10月15日 | Unknown | | Q69305199 |
| 10/17 | Convention for the Safeguarding of the Intangible Cultural Heritage無形文化遺産の保護に関する条約 | Unknown | | Q5166256 |
| 10/17 | 2003 Maldivian presidential election | Maldives | | Q6742863 |
| 10/17 | October 17, 20032003年10月17日 | Unknown | | Q69305202 |
| 10/17 | WEC 8 | United States | | Q7948790 |
| 10/18 | October 18, 20032003年10月18日 | Unknown | | Q69305203 |
| 10/19 | 2003 Swiss federal election | Switzerland | | Q690782 |
| 10/19 | 2003 Australian motorcycle Grand Prix2003年のオーストラリアグランプリ | Australia | Place: Phillip Island Grand Prix Circuit | Q2335988 |
| 10/19 | 2003 Ålandic legislative election | Finland | | Q2482012 |
| 10/19 | Romanian constitutional referendum, 2003 | Romania | | Q18547357 |
| 10/19 | South Korea v Vietnam | Unknown | | Q138542608 |
| 10/19 | October 19, 20032003年10月19日 | Unknown | | Q69305204 |
| 10/21 | Consistory - 2003 | Vatican City | | Q11981778 |
| 10/21 | 2003 Newfoundland and Labrador general election | Canada | | Q3586470 |
| 10/21 | October 21, 20032003年10月21日 | Unknown | | Q69305207 |
| 10/22 | Berlin Declaration on Open Access to Knowledge in the Sciences and Humanities自然・人文科学における知識へのオープンアクセスに関するベルリン宣言 | Germany | Place: Harnack House | Q453725 |
| 10/22 | Funeral of Alija Izetbegović | Bosnia and Herzegovina | Place: Kovači Cemetery | Q104861079 |
| 10/22 | October 22, 20032003年10月22日 | Unknown | | Q69305208 |
| 10/23 | United Nations Security Council election, 20032003年国連安保理 非常任理事国選挙 | United Nations | | Q4128641 |
| 10/24 | 2004 Hendrick Motorsports aircraft crash | United States | | Q4602849 |
| 10/25 | Colombian constitutional referendum, 2003 | Colombia | | Q16829883 |
| 10/26 | Trentino-Alto Adige/Südtirol provincial elections, 2003 | Italy | | Q3722671 |
| 10/26 | October 2003 Madrilenian regional election | Spain | | Q5827456 |
| 10/26 | 2003 Brandenburg local elections | Germany | | Q64211352 |
| 10/26 | 2003 Bulgarian local elections | Bulgaria | | Q12286532 |
| 10/26 | 2003 Japan CupJapanジャパンカップサイクルロードレース2003 | Japan | | Q3807093 |
| 10/26 | 2003 Lexmark Indy 300 | Australia | Place: Surfers Paradise Street Circuit | Q4601545 |
| 10/26 | October 26, 20032003年10月26日 | Unknown | | Q69305213 |
| 10/27 | 27 October 2003 Baghdad bombingsバグダード爆破事件 | Iraq | Place: Baghdad | Q4632559 |
| 10/27 | October 27, 20032003年10月27日 | Unknown | | Q69305214 |
| 10/28 | Halloween solar storms, 2003ハロウィン太陽嵐 | Unknown | | Q17020474 |
| 10/28 | 2003 Israeli municipal elections | Israel | | Q111662424 |
| 10/28 | 9th National Television Awards | United Kingdom | Place: Royal Albert Hall | Q4646621 |
| 10/28 | October 28, 20032003年10月28日 | Unknown | | Q69305216 |
| 10/29 | 2003 Northwest University anti-Japanese controversy西安留学生寸劇事件 | People's Republic of China | Place: Xi'an | Q10844449 |
| 10/30 | October 30, 20032003年10月30日 | Unknown | | Q69305220 |
| 10/31 | Final Fight Championship | Croatia | | Q16249625 |
| 11/1 | November 20032003年11月 | Unknown | | Q1144065 |
| 11/1 | 2004 Adjara crisis2004年アジャリア危機 | Unknown | Place: Adjara | Q2898202 |
| 11/1 | 2003 Istanbul bombings2003年イスタンブール爆弾テロ事件 | Turkey | Place: Istanbul | Q1254917 |
| 11/1 | Deaths in November 2003訃報 2003年11月 | Unknown | | Q10844410 |
| 11/1 | disappearance of Charlene Downes | United Kingdom | Place: Blackpool | Q16199244 |
| 11/1 | 2003 NHK TrophyJapan2003年NHK杯国際フィギュアスケート競技大会 | Japan | Place: Asahikawa Taisetsu Arena | Q2744000 |
| 11/1 | 2003 Karjala Tournament | Finland | | Q1457794 |
| 11/1 | Case of Liana Friedenbach and Felipe Caffé | Brazil | Place: Chácara Fazenda Boa Esperança | Q118905215 |
| 11/1 | 2003 Cup of China | People's Republic of China | Place: Capital Indoor Stadium | Q4022621 |
| 11/1 | 2003 Bofrost Cup on Ice | Germany | Place: Emscher-Lippe-Halle | Q4601161 |
| 11/1 | 2003 Cup of Russia | Russia | Place: Luzhniki Palace of Sports | Q4601268 |
| 11/1 | 2003 Trophée Lalique | France | Place: Accor Arena | Q4601916 |
| 11/1 | 2003 Deutschland Cup | Germany | | Q104196593 |
| 11/1 | 1st Irish Film & Television Awards | Ireland | | Q4596409 |
| 11/2 | 2003 Georgian parliamentary election2003年ジョージア国会議員選挙 | Georgia | | Q2353739 |
| 11/2 | Georgian constitutional referendum, 2003 | Georgia | | Q5548075 |
| 11/2 | 2003 New York City Marathonアメリカ合衆国、ニューヨークで開催したマラソン大会 | United States | Place: New York City | Q2479869 |
| 11/2 | 2003 Bulgarian local elections | Bulgaria | | Q12286532 |
| 11/2 | November 2, 20032003年11月2日 | Unknown | | Q69305226 |
| 11/2 | 2003 Quebec municipal elections | Canada | | Q7269840 |
| 11/3 | November 3, 20032003年11月3日 | Unknown | | Q69305227 |
| 11/4 | British Independent Film Awards 2003第6回英国インディペンデント映画賞 | United Kingdom | Place: Hammersmith Palais | Q373241 |
| 11/4 | Killing of Manadel al-Jamadi | Iraq | Place: Baghdad Central Prison | Q112131933 |
| 11/4 | November 4, 20032003年11月4日 | Unknown | | Q69305228 |
| 11/4 | 2003 San Francisco mayoral election2003年サンフランシスコ市長選挙 | United States | | Q7414185 |
| 11/4 | 2003 Melbourne Cup第143回メルボルンカップ | Australia | | Q4601573 |
| 11/4 | 2003 Philadelphia mayoral election | United States | | Q7182873 |
| 11/5 | 38th Golden Bell Awards | Taiwan | Place: National Dr. Sun Yat-sen Memorial Hall | Q15898023 |
| 11/5 | 2003 Saskatchewan general election | Canada | | Q3586453 |
| 11/6 | 2003 MTV Europe Music Awards | Unknown | Place: Ocean Terminal | Q1533853 |
| 11/6 | 2003 ricin letters | Unknown | Place: Greenville | Q4602144 |
| 11/6 | 2003 NBDL draft | United States | | Q17182402 |
| 11/6 | 2003 Conservative Party (UK) leadership election2003年イギリス保守党党首選挙 | United Kingdom | | Q5163068 |
| 11/7 | 2003 Mauritanian presidential election | Mauritania | | Q6793740 |
| 11/7 | November 7, 20032003年11月7日 | Unknown | | Q69305233 |
| 11/9 | 2003 Japanese general electionJapan第43回衆議院議員総選挙 | Japan | | Q1144707 |
| 11/9 | November 2003 lunar eclipse2003年11月9日の月食 | Unknown | | Q7064696 |
| 11/9 | 2003 Guatemalan general election | Guatemala | | Q3586584 |
| 11/9 | 2003 Norwegian Football Cup Final | Norway | Place: Ullevaal Stadion | Q4601681 |
| 11/10 | 2003 Toronto municipal election | Canada | | Q7826660 |
| 11/11 | November 11, 20032003年11月11日 | Unknown | | Q69305240 |
| 11/12 | 2003 Nasiriyah bombing | Iraq | Place: Nasiriyah | Q3629102 |
| 11/12 | November 12, 20032003年11月12日 | Unknown | | Q69305241 |
| 11/15 | Junior Eurovision Song Contest 2003ジュニア・ユーロビジョン・ソング・コンテスト2003 | Denmark | Place: Forum Copenhagen | Q210851 |
| 11/15 | Money Can't Buyマネー・キャント・バイ | United Kingdom, Australia | Place: Hammersmith Apollo | Q1766979 |
| 11/15 | 2003 Louisiana gubernatorial election2003年ルイジアナ州知事選挙 | United States | | Q6689398 |
| 11/15 | November 15, 20032003年11月15日 | Unknown | | Q69305246 |
| 11/16 | 2003 Catalan regional election2003年カタルーニャ自治州議会選挙 | Spain | | Q126033 |
| 11/16 | 2003 Serbian presidential election2003年セルビア大統領選挙 | Serbia | | Q3987421 |
| 11/16 | November 16, 20032003年11月16日 | Unknown | | Q69305247 |
| 11/17 | November 17, 20032003年11月17日 | Unknown | | Q69305248 |
| 11/18 | November 18, 20032003年11月18日 | Unknown | | Q69305251 |
| 11/20 | 2003 Mizoram Legislative Assembly election | India | | Q107803798 |
| 11/22 | 2003 Baghdad DHL attempted shootdown incidentDHL貨物便撃墜事件 | Unknown | Place: Baghdad International Airport | Q370143 |
| 11/22 | 2003 Rugby World Cup Final | Australia | Place: Accor Stadium | Q4601780 |
| 11/22 | murder of Dru Sjodin | United States | | Q6937852 |
| 11/22 | November 22, 20032003年11月22日 | Unknown | | Q69305257 |
| 11/23 | 2003 Croatian parliamentary election2003年クロアチア総選挙 | Croatia | | Q1278811 |
| 11/23 | solar eclipse of November 23, 20032003年11月23日の日食 | Unknown | | Q1516937 |
| 11/23 | MLS Cup 2003MLSカップ 2003 | United States | Place: Dignity Health Sports Park | Q2101549 |
| 11/23 | 2003 Hong Kong local elections2003年香港区議会選挙 | People's Republic of China | | Q10844453 |
| 11/23 | 2003 Merapoh bus tragedy | Malaysia | | Q4601576 |
| 11/23 | 2003 Estonian Supercup | Estonia | | Q97285724 |
| 11/24 | Ramadan Offensive | Iraq | Place: Iraq | Q7288716 |
| 11/24 | 2003 Peoples' Friendship University of Russia fire | Russia | Place: Moscow | Q4368607 |
| 11/25 | November 25, 20032003年11月25日 | Unknown | | Q69305262 |
| 11/26 | 2003 Northern Ireland Assembly election | United Kingdom | | Q2076187 |
| 11/27 | 2003 Grenadian general election2003年グレナダ議会総選挙 | Spain, Grenada | | Q3537542 |
| 11/27 | Ondas 2003 | Spain | Place: Palau dels Esports de Barcelona | Q6359621 |
| 11/27 | 2003 Madhya Pradesh Legislative Assembly election | India | | Q24906779 |
| 11/27 | November 27, 20032003年11月27日 | Unknown | | Q69305265 |
| 11/28 | 2003 Gibraltar general election2003年ジブラルタル議会総選挙 | United Kingdom | | Q1752829 |
| 11/28 | November 28, 20032003年11月28日 | Unknown | | Q69305267 |
| 11/29 | UEFA Jubilee AwardsUEFAジュビリーアウォーズ | internationality | | Q877573 |
| 11/29 | Linux Day | Italy | Place: Italy | Q30545022 |
| 11/29 | 2003 Latifiya ambush | Iraq | Place: Latifiya | Q57393172 |
| 11/29 | 2003 Shooting of Japanese Diplomats in Iraqイラク日本人外交官射殺事件 | Iraq | Place: Tikrit | Q11265641 |
| 11/29 | November 29, 20032003年11月29日 | Unknown | | Q69305268 |
| 11/30 | November 30, 20032003年11月30日 | Unknown | | Q69305269 |
| 12/1 | December 20032003年12月 | Unknown | | Q1075486 |
| 12/1 | Deaths in December 2003訃報 2003年12月 | Unknown | | Q10844411 |
| 12/1 | 2003 United Nations Climate Change Conference第9回気候変動枠組条約締約国会議 | Italy | Place: Milan | Q4601948 |
| 12/1 | 2003–2004 Grand Prix of Figure Skating Final2003/2004 ISUグランプリファイナル | United States | Place: Broadmoor World Arena | Q4602416 |
| 12/1 | Tropical Storm Odette | Unknown | | Q7846070 |
| 12/1 | 2003 Baltika Cup | Russia | | Q11039856 |
| 12/1 | Gambela massacre | Ethiopia | Place: Gambela | Q109236567 |
| 12/1 | 2004 Radivoj Korać Cup | Serbia and Montenegro | Place: Novi Sad | Q25460792 |
| 12/1 | 2003 Chhattisgarh Legislative Assembly election | India | | Q42917046 |
| 12/1 | 2003–2004 Japan Figure Skating ChampionshipsJapan第72回全日本フィギュアスケート選手権 | Japan | Place: Big Hat | Q4511183 |
| 12/1 | 2003 Zhaosu earthquake | Unknown | | Q4602070 |
| 12/1 | Operation Avalancheアヴァランチ作戦 | Unknown | | Q7096775 |
| 12/1 | 2003 Russian Government Cup | Russia | | Q10657964 |
| 12/1 | 2003 Delhi Legislative Assembly election | India | | Q16834820 |
| 12/1 | 2003-2004 French Figure Skating Championships | France | Place: patinoire René Froger | Q2955060 |
| 12/1 | 2003-2004 Ukrainian Figure Skating Championships | Ukraine | Place: Kyiv | Q4511075 |
| 12/1 | 2004 Polish Figure Skating Championships | Poland | Place: Łódź | Q921180 |
| 12/4 | Kato Air Flight 603カトー航空603便不時着事故 | Norway | Place: Bodø Airport | Q67079824 |
| 12/4 | 2003 Polish Air Force Mi-8 crash | Poland | | Q4601742 |
| 12/5 | 2003 Stavropol train bombing | Russia | Place: Stavropol Krai | Q3408444 |
| 12/6 | Miss World 2003ミス・ワールド2003 | People's Republic of China | | Q2708384 |
| 12/6 | 16th European Film Awards第16回ヨーロッパ映画賞 | Unknown | Place: Arena Berlin | Q777943 |
| 12/7 | 2003 Russian legislative election2003年ロシア下院選挙 | Russia | | Q1527155 |
| 12/7 | 2003 Moscow mayoral election | Russia | | Q4128690 |
| 12/7 | Eul-Yong Ta | Unknown | | Q5408707 |
| 12/7 | Guadeloupean autonomy referendum, 2003 | France | | Q5613282 |
| 12/7 | Uruguayan ANCAP referendum, 2003 | Uruguay | | Q7901450 |
| 12/7 | 2003 Colima state election | Mexico | | Q5144826 |
| 12/7 | Martiniquean autonomy referendum, 2003 | France | | Q6777166 |
| 12/9 | United Nations Convention Against Corruption国際連合腐敗防止条約 | Unknown | Place: Mérida | Q547979 |
| 12/9 | 2003 Red Square bombing | Russia | Place: Hotel National | Q2576785 |
| 12/10 | 2003 Swiss Federal Council election | Switzerland | | Q1006580 |
| 12/11 | 2003 Democratic Progressive Party presidential primary | Taiwan | | Q5255767 |
| 12/13 | Operation Red Dawn赤い夜明け作戦 | Unknown | Place: Ad-Dawr | Q3780506 |
| 12/13 | 40th Golden Horse Film Awards第40回金馬奨 | Taiwan | Place: Tainan Cultural Center | Q15898765 |
| 12/14 | Disappearance of Pamela Holopainen | Canada | Place: Timmins | Q110612943 |
| 12/14 | 2003 Andorran local elections | Andorra | | Q39087830 |
| 12/14 | Tinell Pact | Spain | Place: Saló del Tinell | Q9054192 |
| 12/15 | Operation All Clearオールクリア作戦 | Unknown | | Q18128996 |
| 12/15 | Death and state funeral of Heydar Aliyevヘイダル・アリエフの死と国葬 | Unknown | Place: Baku | Q16698742 |
| 12/15 | 2003 Northern Cyprus parliamentary election | Northern Cyprus | | Q6077301 |
| 12/18 | FedEx Express Flight 647フェデックス647便着陸失敗事故 | United States | Place: Memphis International Airport | Q5361613 |
| 12/19 | Washington D.C. Area Film Critics Association Awards 2003 | United States | | Q7971824 |
| 12/21 | 2003 Guinean presidential election2003年ギニア大統領選挙 | Guinea | | Q176328 |
| 12/21 | River City Relay | United States | | Q7337258 |
| 12/22 | 2003 San Simeon earthquake | Unknown | | Q4601805 |
| 12/22 | African-American Film Critics Association Awards 2003 | United States | | Q4689623 |
| 12/23 | December 23, 20032003年12月23日 | Unknown | | Q69305306 |
| 12/24 | Treaty Between the Russian Federation and Ukraine on Cooperation in the Use of the Sea of Azov and the Kerch Strait | Unknown | Place: Kerch | Q60755292 |
| 12/25 | UTAGE Flight 141UTAGE141便墜落事故 | Benin | Place: Cotonou | Q4189392 |
| 12/25 | 2003 Puerto Armuelles earthquake | Panama | | Q4601757 |
| 12/25 | Geha Interchange bus stop bombing | Israel | Place: Geha Interchange | Q5530056 |
| 12/26 | 2003 Bam earthquakeバム地震 | Iran | | Q1990627 |
| 12/27 | 2003 Karbala bombings | Unknown | Place: Karbala | Q3657501 |
| 12/27 | 2003 World Team Challenge | Germany | | Q2129407 |
| 12/28 | 2003 Serbian parliamentary election2003年セルビア総選挙 | Serbia | | Q1773261 |
| 12/31 | 54th NHK Kōhaku Uta GassenJapan第54回NHK紅白歌合戦 | Japan | | Q11601390 |